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Green circuit board with black memory chips, no heat spreader, 288 gold pins along bottom edge

NEMIX RAM

NEMIX RAM 32GB DDR4 2666MHz CL19 ECC RDIMM Synology SA3600 memory upgrade

SKU CH-J7H5-PAXQY

32 GB DDR4 ECC registered DIMM running at 2666 MHz with CL19 latency for Synology SA3600 NAS

  • Capacity32GB
  • SpeedDDR4 2666 (PC4 21300)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • ECC protection prevents data errors in critical NAS workloads
  • Registered DDR4 architecture stabilises heavy multi-user file serving
  • 32 GB single module expands Synology SA3600 capacity efficiently
  • Low 1.20 V operation reduces server power draw
  • 2666 MHz CL19 speed matches Synology qualified memory profile

32GB DDR4 ECC RDIMM for Synology SA3600

This NEMIX RAM module is a 32GB DDR4 2666MHz ECC Registered DIMM built for the Synology SA3600 NAS. It operates at 1.20V with CL19 latency and a 2Rx4 rank configuration using major OEM chips. The 288-pin RDIMM form factor fits the system's memory slots directly.

Suits SA3600 owners needing registered ECC memory

Buyers expanding a Synology SA3600 with validated ECC RDIMM modules will find this part matches the required specifications. It is not for systems that require unbuffered UDIMMs, non-ECC memory, or a different DDR generation. Builders using consumer motherboards or laptops should look elsewhere.

Registered ECC RDIMM is the deciding factor

The module is a registered ECC RDIMM, a class that only works in platforms designed for buffered memory with error correction. If the target system calls for UDIMM or non-ECC RAM, this module will not function. Verify the SA3600 manual confirms RDIMM support before ordering.

Highlights

  • ECC protection prevents data errors in critical NAS workloads
  • Registered DDR4 architecture stabilises heavy multi-user file serving
  • 32 GB single module expands Synology SA3600 capacity efficiently
  • Low 1.20 V operation reduces server power draw
  • 2666 MHz CL19 speed matches Synology qualified memory profile

Specifications

BrandNEMIX RAM
SeriesSynology Compatible Series NAS Memory
ModelSynology DDR4 2666MHZ ECC RDIMM Registered Server Memory
Part NumberMR21300-324K1
Capacity32GB
SpeedDDR4 2666 (PC4 21300)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemSynology
CAS LatencyCL19
Heat SpreaderNo
Type288-Pin DDR4 RDIMM
Rank2Rx4
FeaturesDDR4 ECC Registered RDIMM Server Motherboard Compatible
Package Content32GB (1X32GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Does the Synology SA3600 need to support DDR4 2666 ECC RDIMM registered memory for this 32 GB module to work?

Yes, the SA3600 must accept DDR4 2666 ECC RDIMM registered modules; this stick is built to that exact specification.

Will this 2Rx4 registered DIMM run at the same 2666 MT/s speed as older DDR4 2666 ECC RDIMMs already installed in the SA3600?

Yes, it operates at DDR4 2666 (PC4-21300) with CL19 latency, matching the speed and timing of existing 2666 MT/s ECC RDIMMs.

How can I confirm the SA3600 recognises the full 32 GB capacity and ECC function after installing this module?

Check the SA3600 DSM Resource Monitor or system info page; it should show 32 GB total capacity and report ECC as active for this module.

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